The data obtained in laboratory conditions, and the construction site was different from actual data.
本数据是在实验室条件下获取的，会与施工现场获得的实际数据有所差异。
Laboratory grade finishes shall result in no more than four Level 3 conditions.
实验室用表面材料可以接受的结果是不超过4个点出现3级状况。
Laboratory grade finishes shall result in no more than four Level 3 conditions.
实验室用表面材料可以接受的结果是不超过4个点出现3级状况。
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